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236224081 is a prime number
BaseRepresentation
bin11100001010001…
…11111001010001
3121110111102112001
432011013321101
5440433132311
635235034001
75565604642
oct1605077121
9543442461
10236224081
11111384715
126713b901
1339c2b282
14235316c9
1515b124c1
hexe147e51

236224081 has 2 divisors, whose sum is σ = 236224082. Its totient is φ = 236224080.

The previous prime is 236224073. The next prime is 236224133. The reversal of 236224081 is 180422632.

236224081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142444225 + 93779856 = 11935^2 + 9684^2 .

It is a cyclic number.

It is not a de Polignac number, because 236224081 - 23 = 236224073 is a prime.

It is a super-2 number, since 2×2362240812 = 111603632888589122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (236224181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 118112040 + 118112041.

It is an arithmetic number, because the mean of its divisors is an integer number (118112041).

Almost surely, 2236224081 is an apocalyptic number.

It is an amenable number.

236224081 is a deficient number, since it is larger than the sum of its proper divisors (1).

236224081 is an equidigital number, since it uses as much as digits as its factorization.

236224081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 236224081 is about 15369.5829806797. The cubic root of 236224081 is about 618.1701868231.

The spelling of 236224081 in words is "two hundred thirty-six million, two hundred twenty-four thousand, eighty-one".